共 35 条
[21]
WHIPPLE W, 1969, J SAN ENG DIV P AM S, V95, pSA5
[22]
WHIPPLE W, 1969 AM WAT RES ASS
[23]
WHIPPLE W, 1969, PRELIMINARY MASS BAL
[24]
WHITE GF, 1968, 1689 NAT RES COUNC P
[25]
WHITMAN IL, 1968, USES SMALL URBAN RIV
[26]
WOOD R, 1969, J WATER POLLUT CON F, V41, P1987
[27]
1969, DEALAWARE RIVER BASI
[28]
1969, ECONOMICS AIR WATER
[29]
1968, LAKE ERIE REPORT PLA
[30]
1968, NATIONS RIVER